652549 has 2 divisors, whose sum is σ = 652550. Its totient is φ = 652548.

The previous prime is 652543. The next prime is 652559. The reversal of 652549 is 945256.

652549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 431649 + 220900 = 657^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 652549 - 2³ = 652541 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 652549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326274 + 326275.

It is an arithmetic number, because the mean of its divisors is an integer number (326275).

2⁶⁵²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

652549 is a deficient number, since it is larger than the sum of its proper divisors (1).

652549 is an equidigital number, since it uses as much as digits as its factorization.

652549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 652549 is about 807.8050507393. The cubic root of 652549 is about 86.7369958388.

The spelling of 652549 in words is "six hundred fifty-two thousand, five hundred forty-nine".